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United States Patent | 5,525,400 |
Manser ,   et al. | June 11, 1996 |
There are disclosed laminated structures which are bonded with a UV-/VIS-curable composition and which consist of a main foil A) which is substantially impervious to light, at least one interlayer B) which is substantially impervious to light in the absence of the adhesive and which carries on the side with its back to the main foil information in the form of a color pattern, and of a substantially light-permeable covering foil C). The laminated structures can be used as identity cards.
Inventors: | Manser; Aloysius H. (Allschwil, CH); Francois; Jacques (Huningue, FR) |
Assignee: | Ciba-Geigy Corporation (Tarrytown, NY) |
Appl. No.: | 783701 |
Filed: | October 23, 1991 |
May 16, 1989[CH] | 1809/89 |
Current U.S. Class: | 428/196; 347/105; 428/195.1; 428/205; 428/212; 428/402; 428/916; 430/10; 430/14 |
Intern'l Class: | B32B 007/14; G03C 003/00 |
Field of Search: | 428/211,220,916,195,196,402,246,286,205,212,241 430/10,14 |
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4442172 | Apr., 1984 | Oshima et al. | |
4455359 | Jun., 1984 | Patzold et al. | 430/10. |
4592976 | Jun., 1986 | Whitehead | 430/10. |
4659112 | Apr., 1987 | Reiner et al. | |
4788102 | Nov., 1988 | Koning et al. | |
4868288 | Sep., 1989 | Meier. |